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Results tagged with hex
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user 4831
hexadecimal or base-16 - a counting system in which each digit can take on one of 16 values, usually using the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. Often used in computer programming because each digit maps directly to a group of 4 binary digits (bits).
4
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Accepted
Hexadecimal two's Complement
Ignacio showed the shortcut: sign-extension.
What you attempted is OK too, and it shows that you try to understand the process: convert to a 'plain value' then convert back to two's complement. But y …
- 48.8k
3
votes
Need help with digital arithmetic
For your processor, the 8 bits in a value can be interpreted in two ways:
as an unsigned number, range 0 .. 255
as a 2s-complement number, range -128 .. +127
(There are other ways an 8-bit value c …
- 48.8k